Method for the soft bit metric calculation with linear MIMO detection for LDPC codes

H Niu, C Ngo - US Patent 7,751,506, 2010 - Google Patents
AMIMO receiver implements a method for the soft bit metric calculation with linear MIMO
detection for LDPC codes, after linear matrix inversion MIMO detection. In the receiver, a …

Method of robust timing detection and carrier frequency offset estimation for OFDM systems

H Niu, C Ngo - US Patent 7,627,059, 2009 - Google Patents
A symbol detector for an OFDM receiver determines the correlation of corresponding
samples of at least two received preamble symbol samples, one of the samples delayed a …

Path diversity equalization CDMA downlink receiver

YC Liang, PSF Chin - US Patent 7,193,983, 2007 - Google Patents
A code division multiple access downlink receiver for providing wireless communication via
a wireless channel between a base station and a mobile station in which the receiver is …

Method of soft bit metric calculation with direct matrix inversion MIMO detection

H Niu, C Ngo - US Patent 7,616,699, 2009 - Google Patents
(57) ABSTRACT A telecommunication MIMO receiver implements soft bit metric calculation
with direct matrix inversion MIMO detec tion. The receiver has a detector that detects data …

Combined Calibration Method to Time and Phase Synchronize MIMO Receive Channels and Perform Frequency Response Correction

TMA Taher, MMU Gul, A Aziz… - US Patent App. 15 …, 2018 - Google Patents
Techniques are disclosed related to calibrating and operating a multiple input multiple
output (MIMO) radio system. Some embodiments comprise a method wherein a single …

Decision feedback equalizer and control method thereof

CW Ma, TL Tung - US Patent 9,674,012, 2017 - Google Patents
(57) ABSTRACT A control method for a decision feedback equalizer (DFE) includes:
generating a channel impulse response (CIR) esti mation vector according to an input signal …

Training method for recording medium reproduction equalizer and recording medium reproduction apparatus

M Sawada, M Takatsu, T Sugawara - US Patent 7,286,596, 2007 - Google Patents
US 2005/0099907 A1 May 12, 2005 signal read from a recording medium, as a restricted
coef? cient updating Vector applied for updating the multiplica (30) Foreign Application …

Decision feedback equalizers and equalizing methods thereof

YM Tsuie, YT Chou, WT Wang - US Patent App. 11/678,624, 2008 - Google Patents
US20080205504A1 - Decision feedback equalizers and equalizing methods thereof - Google
Patents US20080205504A1 - Decision feedback equalizers and equalizing methods thereof …

Method and apparatus for adaptive signal processing

H Gao, G Wen - US Patent 10,924,087, 2021 - Google Patents
(57) ABSTRACT A method for adaptive signal processing is provided. In the method, a
second vector is obtained by initializing a first vector without regularization of a cost function …

Equalization enhancing module, demodulation system and equalization enhancing method

CW Chen, KW Cheng, KY Lai - US Patent 9,979,567, 2018 - Google Patents
An equalization enhancing module includes: a multiplication unit, multiplying a plurality of
equalized signals by a scaling coefficient to obtain a plurality of scaled signals; a …